Judy Murray brightens up the pre-Wimbledon season with her ability to put her foot in it. This year she has broken the parental anti-favouritism rule, with a tweet about Andy “my special one”. “Thanks, mum,” came the deft reply from her less famous — but clearly more good-humoured — son, Jamie.

Truly, you cannot go to school in London without the chance of bumping into an American First Lady. Michelle Obama has been on her second trip to the capital’s schools, the first time in Islington in 2009 — yesterday it was to the Mulberry School in the East End.